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<a name="boost.accumulators.tag.droppable.impl"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Struct impl</span></h2>
<p>boost::accumulators::tag::droppable::impl</p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../../accumulators/reference.html#header.boost.accumulators.framework.accumulators.droppable_accumulator_hpp" title="Header &lt;boost/accumulators/framework/accumulators/droppable_accumulator.hpp&gt;">boost/accumulators/framework/accumulators/droppable_accumulator.hpp</a>&gt;

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<span class="keyword">struct</span> <a class="link" href="impl.html" title="Struct impl">impl</a> <span class="special">{</span>
  <span class="comment">// member classes/structs/unions</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Sample<span class="special">,</span> <span class="keyword">typename</span> Weight<span class="special">&gt;</span> 
  <span class="keyword">struct</span> <a class="link" href="impl/apply.html" title="Struct template apply">apply</a> <span class="special">{</span>
    <span class="comment">// types</span>
    <span class="keyword">typedef</span> <a class="link" href="../../droppable_accumulator.html" title="Struct template droppable_accumulator">droppable_accumulator</a><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">apply2</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">feature_type</span><span class="special">::</span><span class="identifier">impl</span><span class="special">,</span> <span class="identifier">Sample</span><span class="special">,</span> <span class="identifier">Weight</span> <span class="special">&gt;</span><span class="special">::</span><a class="link" href="impl/apply.html#boost.accumulators.tag.droppable.impl.apply.type">type</a> <span class="special">&gt;</span> <a class="link" href="impl/apply.html#boost.accumulators.tag.droppable.impl.apply.type"><span class="identifier">type</span></a><span class="special">;</span>
  <span class="special">}</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
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<a name="idp13448176"></a><h2>Description</h2>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2005, 2006 Eric Niebler<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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